easement vs diminution

easement and diminution both are nouns.

Word	Noun	Adjective	Verb	Adverb
easement	Yes	No	No	No
diminution	Yes	No	No	No

As nouns, diminution is a hypernym of easement; that is, diminution is a word with a broader meaning than easement:

Other hypernyms of easement include decrease, reduction, step-down.

easement (noun)	diminution (noun)
the act of reducing something unpleasant (as pain or annoyance)	the act of decreasing or reducing something
(law) the privilege of using something that is not your own (as using another's land as a right of way to your own land)	the statement of a theme in notes of lesser duration (usually half the length of the original)
	change toward something smaller or lower